# import copy
# dictionary = {'卷心菜':'cabbage','午餐':['lunch','nooning']}
# dictionary1 = dictionary
# dictionary2 = dictionary.copy()
# dictionary3 = copy.deepcopy(dictionary)
# dictionary['卷心菜'] = 'pamphrey'
# dictionary['午餐'].remove('nooning')
# print('dictionary = ', dictionary)
# print('dictionary1 = ', dictionary1)
# print('dictionary2 = ', dictionary2)
# print('dictionary3 = ', dictionary3)


dictionary = {
    '卷心菜':'cabbage',
    '午餐':'lunch',
    '机器人':'robot',
    '天空':'sky',
    '花':'flower',
}
print('中英文字典中所以中文词组及其对应的英文单词：')
for item in dictionary.items():
    print(item)
    print('中英文字典中所有中文词组：')
    for chinese in dictionary.keys():
        print(chinese, end=' ')
        print('\n中英文字典中所有英文单词：')
        for english in dictionary.values():
            print(english, end=' ')